Home / 2,990,192.40-4,485,288.60-1,791,497.70

Finding the Fourth Proportional to 2,990,192.40, 4,485,288.60 and 1,791,497.70

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Solution

The fourth proportional to 2,990,192.40, 4,485,288.60 and 1,791,497.70 is: 2,687,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,192.40 : 4,485,288.60 = 1,791,497.70 : x
  2. Step 2: Convert to fraction form
    2,990,192.40/4,485,288.60 = 1,791,497.70/x
  3. Step 3: Cross multiply
    2,990,192.40x = 4,485,288.60 × 1,791,497.70
  4. Step 4: Simplify right side
    2,990,192.40x = 8,035,384,210,736.22
  5. Step 5: Solve for x
    x = 8,035,384,210,736.22/2,990,192.40
  6. Step 6: Final answer
    x = 2,687,246.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.